/*
This file is part of Darling.

Copyright (C) 2017 Lubos Dolezel

Darling is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

Darling is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with Darling.  If not, see <http://www.gnu.org/licenses/>.
*/

#import <Foundation/NSString.h>
#import <Foundation/NSURL.h>
#import <Foundation/NSError.h>
#import <dispatch/dispatch.h>
#import <xar/xar.h>
#import <libarchive/archive.h>
#import <lzma.h>
#import <pthread.h>

@interface PKSignedContainer : NSObject
{
	xar_t _xar;
	xar_file_t _xar_file;
	xar_stream _xar_stream;
	struct archive* _archive;
	lzma_stream _zs;
	uint64_t _blockLength, _flags;

	char _inbuf[4096];
	char _outbuf[4096 * 1024];
	BOOL _abort;
}

- (instancetype)initForReadingFromContainerAtURL:(NSURL *)url
                                                    error:(NSError **)error;

- (void)startUnarchivingAtPath:(NSString *)path
                 notifyOnQueue:(dispatch_queue_t)queue
                      progress:(void (^)(double, NSString *))progressBlock
                        finish:(void (^)(BOOL))finishBlock;

- (xar_stream*)_xarStream;

@end
